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37C temp gauge What do the Hash marks mean?
What does the hash mark represent between 180 and 220 on my 100-220 ac gauge? 200?( see below) Is the first hash mark between 100 and 180- 140? My 6-71TI have been running at 180 or less since the entire cooling system was redone. Sunday on our return from Cuttyhunk the port gauge ran above 180 about 1/3 of the way between 180 and the hash mark. Is that 190 where Karl says I do not want to be. I know I should get an infrared gun to be sure.
Thanks Hal